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Finding the Fourth Proportional to 370.65, 556.73 and 358.35

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Solution

The fourth proportional to 370.65, 556.73 and 358.35 is: 538.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.65 : 556.73 = 358.35 : x
  2. Step 2: Convert to fraction form
    370.65/556.73 = 358.35/x
  3. Step 3: Cross multiply
    370.65x = 556.73 × 358.35
  4. Step 4: Simplify right side
    370.65x = 199,503.68
  5. Step 5: Solve for x
    x = 199,503.68/370.65
  6. Step 6: Final answer
    x = 538.26

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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.