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Finding the Fourth Proportional to 683.04, 942.36 and 417.48

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Solution

The fourth proportional to 683.04, 942.36 and 417.48 is: 575.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    683.04 : 942.36 = 417.48 : x
  2. Step 2: Convert to fraction form
    683.04/942.36 = 417.48/x
  3. Step 3: Cross multiply
    683.04x = 942.36 × 417.48
  4. Step 4: Simplify right side
    683.04x = 393,416.45
  5. Step 5: Solve for x
    x = 393,416.45/683.04
  6. Step 6: Final answer
    x = 575.98

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1.5x scale

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.