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Finding the Fourth Proportional to 152.54, 210.43 and 97.23

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Solution

The fourth proportional to 152.54, 210.43 and 97.23 is: 134.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    152.54 : 210.43 = 97.23 : x
  2. Step 2: Convert to fraction form
    152.54/210.43 = 97.23/x
  3. Step 3: Cross multiply
    152.54x = 210.43 × 97.23
  4. Step 4: Simplify right side
    152.54x = 20,460.11
  5. Step 5: Solve for x
    x = 20,460.11/152.54
  6. Step 6: Final answer
    x = 134.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.