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Finding the Fourth Proportional to 93.40, 140.10 and 32.53

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Solution

The fourth proportional to 93.40, 140.10 and 32.53 is: 48.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.40 : 140.10 = 32.53 : x
  2. Step 2: Convert to fraction form
    93.40/140.10 = 32.53/x
  3. Step 3: Cross multiply
    93.40x = 140.10 × 32.53
  4. Step 4: Simplify right side
    93.40x = 4,557.45
  5. Step 5: Solve for x
    x = 4,557.45/93.40
  6. Step 6: Final answer
    x = 48.80

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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.