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Finding the Fourth Proportional to 368.48, 555.26 and 332.84

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Solution

The fourth proportional to 368.48, 555.26 and 332.84 is: 501.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.48 : 555.26 = 332.84 : x
  2. Step 2: Convert to fraction form
    368.48/555.26 = 332.84/x
  3. Step 3: Cross multiply
    368.48x = 555.26 × 332.84
  4. Step 4: Simplify right side
    368.48x = 184,812.74
  5. Step 5: Solve for x
    x = 184,812.74/368.48
  6. Step 6: Final answer
    x = 501.55

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.