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Finding the Fourth Proportional to 73.48, 101.46 and 58.99

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Solution

The fourth proportional to 73.48, 101.46 and 58.99 is: 81.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.48 : 101.46 = 58.99 : x
  2. Step 2: Convert to fraction form
    73.48/101.46 = 58.99/x
  3. Step 3: Cross multiply
    73.48x = 101.46 × 58.99
  4. Step 4: Simplify right side
    73.48x = 5,985.13
  5. Step 5: Solve for x
    x = 5,985.13/73.48
  6. Step 6: Final answer
    x = 81.45

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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.