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Finding the Fourth Proportional to 529.42, 794.04 and 144.68

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Solution

The fourth proportional to 529.42, 794.04 and 144.68 is: 217.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.42 : 794.04 = 144.68 : x
  2. Step 2: Convert to fraction form
    529.42/794.04 = 144.68/x
  3. Step 3: Cross multiply
    529.42x = 794.04 × 144.68
  4. Step 4: Simplify right side
    529.42x = 114,881.71
  5. Step 5: Solve for x
    x = 114,881.71/529.42
  6. Step 6: Final answer
    x = 217.00

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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.