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Finding the Fourth Proportional to 501.00, 692.04 and 403.12

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Solution

The fourth proportional to 501.00, 692.04 and 403.12 is: 556.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.00 : 692.04 = 403.12 : x
  2. Step 2: Convert to fraction form
    501.00/692.04 = 403.12/x
  3. Step 3: Cross multiply
    501.00x = 692.04 × 403.12
  4. Step 4: Simplify right side
    501.00x = 278,975.16
  5. Step 5: Solve for x
    x = 278,975.16/501.00
  6. Step 6: Final answer
    x = 556.84

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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.