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Finding the Fourth Proportional to 504.34, 756.58 and 495.30

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Solution

The fourth proportional to 504.34, 756.58 and 495.30 is: 743.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.34 : 756.58 = 495.30 : x
  2. Step 2: Convert to fraction form
    504.34/756.58 = 495.30/x
  3. Step 3: Cross multiply
    504.34x = 756.58 × 495.30
  4. Step 4: Simplify right side
    504.34x = 374,729.05
  5. Step 5: Solve for x
    x = 374,729.05/504.34
  6. Step 6: Final answer
    x = 743.01

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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.