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Finding the Fourth Proportional to 152.43, 228.95 and 101.16

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Solution

The fourth proportional to 152.43, 228.95 and 101.16 is: 151.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    152.43 : 228.95 = 101.16 : x
  2. Step 2: Convert to fraction form
    152.43/228.95 = 101.16/x
  3. Step 3: Cross multiply
    152.43x = 228.95 × 101.16
  4. Step 4: Simplify right side
    152.43x = 23,160.08
  5. Step 5: Solve for x
    x = 23,160.08/152.43
  6. Step 6: Final answer
    x = 151.94

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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.