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Finding the Fourth Proportional to 614.77, 848.27 and 349.13

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Solution

The fourth proportional to 614.77, 848.27 and 349.13 is: 481.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.77 : 848.27 = 349.13 : x
  2. Step 2: Convert to fraction form
    614.77/848.27 = 349.13/x
  3. Step 3: Cross multiply
    614.77x = 848.27 × 349.13
  4. Step 4: Simplify right side
    614.77x = 296,159.50
  5. Step 5: Solve for x
    x = 296,159.50/614.77
  6. Step 6: Final answer
    x = 481.74

Related Problems

Find fourth proportional to 307.38, 424.14 and 174.57
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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.