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Finding the Fourth Proportional to 444.17, 666.58 and 358.52

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Solution

The fourth proportional to 444.17, 666.58 and 358.52 is: 538.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.17 : 666.58 = 358.52 : x
  2. Step 2: Convert to fraction form
    444.17/666.58 = 358.52/x
  3. Step 3: Cross multiply
    444.17x = 666.58 × 358.52
  4. Step 4: Simplify right side
    444.17x = 238,982.14
  5. Step 5: Solve for x
    x = 238,982.14/444.17
  6. Step 6: Final answer
    x = 538.05

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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.