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Finding the Fourth Proportional to 503.31, 694.76 and 348.27

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Solution

The fourth proportional to 503.31, 694.76 and 348.27 is: 480.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.31 : 694.76 = 348.27 : x
  2. Step 2: Convert to fraction form
    503.31/694.76 = 348.27/x
  3. Step 3: Cross multiply
    503.31x = 694.76 × 348.27
  4. Step 4: Simplify right side
    503.31x = 241,962.32
  5. Step 5: Solve for x
    x = 241,962.32/503.31
  6. Step 6: Final answer
    x = 480.74

Related Problems

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Half scale
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Double scale
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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.