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Finding the Fourth Proportional to 52.53, 72.53 and 45.60

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Solution

The fourth proportional to 52.53, 72.53 and 45.60 is: 62.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.53 : 72.53 = 45.60 : x
  2. Step 2: Convert to fraction form
    52.53/72.53 = 45.60/x
  3. Step 3: Cross multiply
    52.53x = 72.53 × 45.60
  4. Step 4: Simplify right side
    52.53x = 3,307.37
  5. Step 5: Solve for x
    x = 3,307.37/52.53
  6. Step 6: Final answer
    x = 62.96

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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.