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Finding the Fourth Proportional to 606.36, 836.74 and 373.48

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Solution

The fourth proportional to 606.36, 836.74 and 373.48 is: 515.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.36 : 836.74 = 373.48 : x
  2. Step 2: Convert to fraction form
    606.36/836.74 = 373.48/x
  3. Step 3: Cross multiply
    606.36x = 836.74 × 373.48
  4. Step 4: Simplify right side
    606.36x = 312,505.66
  5. Step 5: Solve for x
    x = 312,505.66/606.36
  6. Step 6: Final answer
    x = 515.38

Related Problems

Find fourth proportional to 303.18, 418.37 and 186.74
Half scale
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Double scale
Find fourth proportional to 607.36, 838.12 and 374.48
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.