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Finding the Fourth Proportional to 374.63, 565.30 and 359.65

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Solution

The fourth proportional to 374.63, 565.30 and 359.65 is: 542.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.63 : 565.30 = 359.65 : x
  2. Step 2: Convert to fraction form
    374.63/565.30 = 359.65/x
  3. Step 3: Cross multiply
    374.63x = 565.30 × 359.65
  4. Step 4: Simplify right side
    374.63x = 203,307.32
  5. Step 5: Solve for x
    x = 203,307.32/374.63
  6. Step 6: Final answer
    x = 542.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.