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Finding the Fourth Proportional to 335.80, 501.18 and 313.93

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Solution

The fourth proportional to 335.80, 501.18 and 313.93 is: 468.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.80 : 501.18 = 313.93 : x
  2. Step 2: Convert to fraction form
    335.80/501.18 = 313.93/x
  3. Step 3: Cross multiply
    335.80x = 501.18 × 313.93
  4. Step 4: Simplify right side
    335.80x = 157,335.44
  5. Step 5: Solve for x
    x = 157,335.44/335.80
  6. Step 6: Final answer
    x = 468.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.