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Finding the Fourth Proportional to 337.80, 508.53 and 307.56

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Solution

The fourth proportional to 337.80, 508.53 and 307.56 is: 463.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.80 : 508.53 = 307.56 : x
  2. Step 2: Convert to fraction form
    337.80/508.53 = 307.56/x
  3. Step 3: Cross multiply
    337.80x = 508.53 × 307.56
  4. Step 4: Simplify right side
    337.80x = 156,403.49
  5. Step 5: Solve for x
    x = 156,403.49/337.80
  6. Step 6: Final answer
    x = 463.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.