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Finding the Fourth Proportional to 332.53, 498.98 and 255.98

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Solution

The fourth proportional to 332.53, 498.98 and 255.98 is: 384.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.53 : 498.98 = 255.98 : x
  2. Step 2: Convert to fraction form
    332.53/498.98 = 255.98/x
  3. Step 3: Cross multiply
    332.53x = 498.98 × 255.98
  4. Step 4: Simplify right side
    332.53x = 127,728.90
  5. Step 5: Solve for x
    x = 127,728.90/332.53
  6. Step 6: Final answer
    x = 384.11

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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.