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Finding the Fourth Proportional to 375.99, 560.40 and 359.79

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Solution

The fourth proportional to 375.99, 560.40 and 359.79 is: 536.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.99 : 560.40 = 359.79 : x
  2. Step 2: Convert to fraction form
    375.99/560.40 = 359.79/x
  3. Step 3: Cross multiply
    375.99x = 560.40 × 359.79
  4. Step 4: Simplify right side
    375.99x = 201,626.32
  5. Step 5: Solve for x
    x = 201,626.32/375.99
  6. Step 6: Final answer
    x = 536.25

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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.