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Finding the Fourth Proportional to 504.52, 692.48 and 483.40

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Solution

The fourth proportional to 504.52, 692.48 and 483.40 is: 663.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.52 : 692.48 = 483.40 : x
  2. Step 2: Convert to fraction form
    504.52/692.48 = 483.40/x
  3. Step 3: Cross multiply
    504.52x = 692.48 × 483.40
  4. Step 4: Simplify right side
    504.52x = 334,744.83
  5. Step 5: Solve for x
    x = 334,744.83/504.52
  6. Step 6: Final answer
    x = 663.49

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.