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Finding the Fourth Proportional to 375.72, 559.86 and 359.16

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Solution

The fourth proportional to 375.72, 559.86 and 359.16 is: 535.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.72 : 559.86 = 359.16 : x
  2. Step 2: Convert to fraction form
    375.72/559.86 = 359.16/x
  3. Step 3: Cross multiply
    375.72x = 559.86 × 359.16
  4. Step 4: Simplify right side
    375.72x = 201,079.32
  5. Step 5: Solve for x
    x = 201,079.32/375.72
  6. Step 6: Final answer
    x = 535.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.