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Finding the Fourth Proportional to 504, 695.32 and 468.88

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Solution

The fourth proportional to 504, 695.32 and 468.88 is: 646.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    504 : 695.32 = 468.88 : x
  2. Step 2: Convert to fraction form
    504/695.32 = 468.88/x
  3. Step 3: Cross multiply
    504x = 695.32 × 468.88
  4. Step 4: Simplify right side
    504x = 326,021.64
  5. Step 5: Solve for x
    x = 326,021.64/504
  6. Step 6: Final answer
    x = 646.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.