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Finding the Fourth Proportional to 332.39, 498.53 and 88.94

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Solution

The fourth proportional to 332.39, 498.53 and 88.94 is: 133.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.39 : 498.53 = 88.94 : x
  2. Step 2: Convert to fraction form
    332.39/498.53 = 88.94/x
  3. Step 3: Cross multiply
    332.39x = 498.53 × 88.94
  4. Step 4: Simplify right side
    332.39x = 44,336.32
  5. Step 5: Solve for x
    x = 44,336.32/332.39
  6. Step 6: Final answer
    x = 133.39

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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.