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Finding the Fourth Proportional to 95.02, 142.55 and 46.89

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Solution

The fourth proportional to 95.02, 142.55 and 46.89 is: 70.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.02 : 142.55 = 46.89 : x
  2. Step 2: Convert to fraction form
    95.02/142.55 = 46.89/x
  3. Step 3: Cross multiply
    95.02x = 142.55 × 46.89
  4. Step 4: Simplify right side
    95.02x = 6,683.46
  5. Step 5: Solve for x
    x = 6,683.46/95.02
  6. Step 6: Final answer
    x = 70.34

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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.