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Finding the Fourth Proportional to 473.24, 709.93 and 148.60

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Solution

The fourth proportional to 473.24, 709.93 and 148.60 is: 222.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.24 : 709.93 = 148.60 : x
  2. Step 2: Convert to fraction form
    473.24/709.93 = 148.60/x
  3. Step 3: Cross multiply
    473.24x = 709.93 × 148.60
  4. Step 4: Simplify right side
    473.24x = 105,496.67
  5. Step 5: Solve for x
    x = 105,496.67/473.24
  6. Step 6: Final answer
    x = 222.92

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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.