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Finding the Fourth Proportional to 603.58, 832.90 and 417.08

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Solution

The fourth proportional to 603.58, 832.90 and 417.08 is: 575.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.58 : 832.90 = 417.08 : x
  2. Step 2: Convert to fraction form
    603.58/832.90 = 417.08/x
  3. Step 3: Cross multiply
    603.58x = 832.90 × 417.08
  4. Step 4: Simplify right side
    603.58x = 347,385.93
  5. Step 5: Solve for x
    x = 347,385.93/603.58
  6. Step 6: Final answer
    x = 575.54

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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.