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Finding the Fourth Proportional to 532.94, 799.47 and 148.19

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Solution

The fourth proportional to 532.94, 799.47 and 148.19 is: 222.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.94 : 799.47 = 148.19 : x
  2. Step 2: Convert to fraction form
    532.94/799.47 = 148.19/x
  3. Step 3: Cross multiply
    532.94x = 799.47 × 148.19
  4. Step 4: Simplify right side
    532.94x = 118,473.46
  5. Step 5: Solve for x
    x = 118,473.46/532.94
  6. Step 6: Final answer
    x = 222.30

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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.