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Finding the Fourth Proportional to 504.84, 692.14 and 495.60

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Solution

The fourth proportional to 504.84, 692.14 and 495.60 is: 679.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.84 : 692.14 = 495.60 : x
  2. Step 2: Convert to fraction form
    504.84/692.14 = 495.60/x
  3. Step 3: Cross multiply
    504.84x = 692.14 × 495.60
  4. Step 4: Simplify right side
    504.84x = 343,024.58
  5. Step 5: Solve for x
    x = 343,024.58/504.84
  6. Step 6: Final answer
    x = 679.47

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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.