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Finding the Fourth Proportional to 334.98, 502.33 and 118.50

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Solution

The fourth proportional to 334.98, 502.33 and 118.50 is: 177.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.98 : 502.33 = 118.50 : x
  2. Step 2: Convert to fraction form
    334.98/502.33 = 118.50/x
  3. Step 3: Cross multiply
    334.98x = 502.33 × 118.50
  4. Step 4: Simplify right side
    334.98x = 59,526.11
  5. Step 5: Solve for x
    x = 59,526.11/334.98
  6. Step 6: Final answer
    x = 177.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.