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Finding the Fourth Proportional to 358.93, 537.98 and 355.08

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Solution

The fourth proportional to 358.93, 537.98 and 355.08 is: 532.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.93 : 537.98 = 355.08 : x
  2. Step 2: Convert to fraction form
    358.93/537.98 = 355.08/x
  3. Step 3: Cross multiply
    358.93x = 537.98 × 355.08
  4. Step 4: Simplify right side
    358.93x = 191,026.18
  5. Step 5: Solve for x
    x = 191,026.18/358.93
  6. Step 6: Final answer
    x = 532.21

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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.