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Finding the Fourth Proportional to 607.51, 838.76 and 467.37

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Solution

The fourth proportional to 607.51, 838.76 and 467.37 is: 645.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.51 : 838.76 = 467.37 : x
  2. Step 2: Convert to fraction form
    607.51/838.76 = 467.37/x
  3. Step 3: Cross multiply
    607.51x = 838.76 × 467.37
  4. Step 4: Simplify right side
    607.51x = 392,007.07
  5. Step 5: Solve for x
    x = 392,007.07/607.51
  6. Step 6: Final answer
    x = 645.27

Related Problems

Find fourth proportional to 303.76, 419.38 and 233.68
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Double scale
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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.